Imagine That Two Men and Two Women Settle on an Uninhabited

question 83

Multiple Choice

Imagine that two men and two women settle on an uninhabited island, no new settlers arrive, and nobody leaves the island for many generations. All four of the settlers have brown eyes, but one of the men carries a recessive gene for blue eyes. Eye color has no effect on fitness. If the percentage of blue-eyed individuals on the island increases from 0% to 25%, what is the probable cause?

• A)artificial selection
• B)natural selection
• C)random mutation
• D)genetic drift

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Definitions:

Age Division

A system of categorizing individuals or societal roles based on age, often used in traditional societies for organization and rites of passage.

Economic System

The structured way in which a society or region organizes the production, distribution, and consumption of goods and services.

Organizational Arrangement

The structured setup of roles, responsibilities, and relationships within an organization, designed to achieve specific goals.

Distributing Goods

The process of making products or commodities available to consumers or retailers in various locations.